Choose the Right Version of Eclipse & Download
To Download Eclipse visit http://www.eclipse.org/downloads/eclipse-packages/
Below are few List of Eclipse Packages
Choose the one you are looking for.
For example if you want to develop Java/J2EE Applications Download –
Choose 32 bit or 64 bit (See How to Check Your PC is 32 bit or 64 bit ?)
Now Download the .zip package (for Windows) and .tar.gz (for Linux & MacOS)